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Cabletron Systems MMAC-Plus 9T122-24 User Manual

Other manuals for MMAC-Plus 9T122-24: User Manual, Reference Manual
Manual is about: Local Management Appendix

Summary of MMAC-Plus 9T122-24

  • Page 1

    Mmac-plus ™ 9t122-24 three port token ring microlan ™ switch module user’s guide.

  • Page 2: Notice

    I notice notice cabletron systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult cabletron systems to determine whether any such changes have been made. The hardware, firmware, or soft...

  • Page 3: Fcc Notice

    Ii notice fcc notice this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Not...

  • Page 4: Doc Notice

    Iii notice doc notice this digital apparatus does not exceed the class a limits for radio noise emissions from digital apparatus set out in the radio interference regulations of the canadian department of communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant l...

  • Page 5: Contents

    V contents chapter 1 introduction features........................................................................................................................... 1-1 related manuals............................................................................................................ 1-4 ge...

  • Page 6: Chapter 1

    1-1 chapter 1 introduction the 9t122-24 microlan™ switch module, shown in figure 1-1, is a three port token ring bridge and router module. This module supports either one token ring with twenty four hub connections, or two separate token rings with twelve hub connections, and an interface to the fnb...

  • Page 7

    Introduction 1-2 management information base (mib) support the 9t122-24 module provides mib support including: • ietf mib ii (rfc 1213) • ietf rmon mib (rfc 1271 and 1513) • ietf bridge mibs (rfc 1493 and 1525) • ieee 802.5 token ring mib (rfc 1231) • cabletron enterprise mibs ring security this fea...

  • Page 8

    1-3 features figure 1-1. The 9t122-24 microlan module 9t122-24 token ring 1 2 1 2 3 4 5 6 7 8 9 10 11 12 fnb smb cpu 13 14 15 16 17 18 19 20 21 22 23 24 16 mb mmac plus.

  • Page 9: Related Manuals

    Introduction 1-4 related manuals the manuals listed below should be used to supplement the procedures and technical data contained in this manual. Mmac-plus installation guide mmac-plus operations guide mmac-plus 9c300-1 environmental module user’s guide mmac-plus 9c214-1 ac power supply user’s guid...

  • Page 10: Chapter 2

    2-1 chapter 2 installation installing the microlan module the mmac-plus microlan module may be installed into any of the 14 slots that are available. To install, follow the steps below: 1. Switch off the power supplies and remove all power from the mmac-plus chassis. 2. Remove the blank panels, cove...

  • Page 11

    Installation 2-2 figure 2-1. Installing the microlan module 7 flnk 8 flnk flnk 10 flnk ins 11 flnk ins 12 rx tx rx tx rx circuit card card guides metal back-panel jack for esd wrist strap warning: ensure that the circuit card is between the card guides. Lock down the top and bottom plastic tabs at t...

  • Page 12: The Reset Switch

    2-3 the reset switch the reset switch the reset switch is located on the front panel, under the top plastic tab as shown in figure 2-2. It serves two functions: • pressing the reset switch twice within three seconds causes the processor (i960) to reset. • pressing and holding the switch on for three...

  • Page 13: User Accessible Components

    Installation 2-4 user accessible components figure 2-3 shows the various components that are accessible to the user. These consist of an eight position dip switch (explained in the next section), replaceable proms and sockets for ram. These will be used for future upgrades. Figure 2-3. User accessib...

  • Page 14

    2-5 setting the module card dip switch setting the module card dip switch an eight switch dip switch is located on the module card as shown in position 8 in figure 2-3 and in figure 2-4. The function of the switches are listed in table 2-1. Figure 2-4. Location of module dip switch 1 2 3 4 5 6 7 8.

  • Page 15

    Installation 2-6 see the cautions at the end of this table. Table 2-1. Function of dip switch switch function description 8 clear password 1 when toggled, this switch clears user-entered passwords stored in nvram, and restores the default passwords. Once reset you can use the defaults or enter new p...

  • Page 16: Ring Speed

    2-7 ring speed ring speed the module defaults to a 16mbps ring speed on all rings. This may be changed though local management. Multi-ring out capability any port of the module may be configured as a ring-out port through management software. In this configuration a stand-alone passive concentrator ...

  • Page 17: Chapter 3

    3-1 chapter 3 operation the 9t122-24 microlan module provides connectivity between the front panel token ring(s) and the fddi rings on the backplane (fnb-1 or fnb-2). Mmac-plus modules connect to either the internal network bus (inb) or the flexible network bus (fnb) bus. The 9t122-24 module connect...

  • Page 18

    Operation 3-2 transparent bridging transparent bridging is accomplished by building a source address table (sat) from source mac/physical addresses and using the sat to make forwarding decisions. The 9t122-24 prevents unnecessary network traffic from passing through the module by implementing two se...

  • Page 19

    3-3 bridging 2. The receiving bridges append their own route information to the route information field (rif) in the mac frame header and transmit the frame again. 3. Eventually, the original source device receives all of the are replies from the other end stations on the network. 4. From this infor...

  • Page 20: Flexible Network Bus (Fnb)

    Operation 3-4 flexible network bus (fnb) the fnb consists of two dual fddi networks, the fnb-1 and fnb-2, providing up to 400 mbps of data bandwidth. These fddi networks are 100% ansi fddi-compliant supporting smt (version 7.3), mac, phy, and pmd standards. This allows the fnb to traverse multiple m...

  • Page 21: System Diagnostic Controller

    3-5 system diagnostic controller system diagnostic controller this diagnostic controller is composed of a z-80 microprocessor and it’s supporting logic. The diagnostic controller is designed to control the power-up sequencing of modules, monitor the 9t122-24 input and output power parameters, keep w...

  • Page 22: Chapter 4

    4-1 chapter 4 lanview leds the front panel lanview leds, shown in figure 4-1, indicate the status of the module and may be used as an aid in troubleshooting. Figure 4-1. Lanview leds 9t122-24 token ring 1 2 3 4 5 fnb smb cpu 16 mb 1 2 system status fnb transmit token ring mac transmit token ring mac...

  • Page 23

    Lanview leds 4-2 the functions of the two system status leds, system management bus (smb) and the cpu, are listed in table 4-1. The function of the fnb receive led is listed in table 4-2. The function of the fnb transmit led is listed in table 4-3. Table 4-1. System status leds (smb and cpu) led col...

  • Page 24

    4-3 the function of the token ring mac receive leds are listed in table 4-4. The function of the token ring mac transmit leds are listed in table 4-5. The functions of the link led are listed in table 4-6. Table 4-4. Token ring receive led led color state red no link, port disabled red (flashing) li...

  • Page 25

    Lanview leds 4-4 the function of the token ring speed leds is listed in table 4-7. Table 4-7. Token ring speed led color state yellow 16 mbs off 4 mps.

  • Page 26: Chapter 5

    5-1 chapter 5 specifications safety this equipment meets the safety requirements of: • ul 1950 • csa c22.2 no. 950 • en 60950 • iec 950 • emi requirements of fcc part 15 class a • en 55022 class a • vcci class i • emc requirements of: en 50082-1 iec 801-2 esd iec 801-3 radiated susceptibility iec 80...

  • Page 27: Physical

    Specifications 5-2 physical dimensions: 35.0 d x 44.0 h x 3.0 w centimeters (13.8 d x 17.4 h x 1.2 w inches) weight: unit: 1.36 kg. (3lb) shipping: 1.81 kg. (4lb) electrical cpu: i960 shared dram memory: 4mb (expandable to 12 mb) local dram memory: 4mb (expandable to 12 mb) flash: 2mb (expandable to...